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DIMETHICONE/POLYGLYCERIN-3 CROSSPOLYMER.

Valuable / CLEANSING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING

DIMETHICONE/POLYGLYCERIN-3 CROSSPOLYMER is a sophisticated silicone polymer designed to enhance skin texture and product performance. It forms a lightweight, protective film on the skin, significantly improving hydration, imparting a smooth, soft feel, and facilitating uniform product application.

Summary

Skin conditioning Film forming Emulsifying Viscosity increasing (non-aqueous) Absorbent (sebum) Texture enhancer Slip modifier Surface modifier Solubilizing agent Protective barrier

Science

Mechanism of Action

This crosspolymer operates by forming a delicate, soft, and breathable film on the skin's surface. This film creates a protective barrier that effectively minimizes trans-epidermal moisture loss, contributing to sustained skin hydration and a smoother texture. Simultaneously, it enhances the tactile sensation, providing a velvety finish, and improves the spreadability of formulations for effortless and even application. It further offers aesthetic benefits by absorbing excess sebum to deliver a refined matte finish and optically blurring the appearance of fine lines, contributing to a more even complexion.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Typically supplied as a swollen gel in various oils, including silicone oils like dimethicone, this ingredient demonstrates excellent compatibility with silicones. This characteristic makes it highly suitable for formulating stable water-in-silicone (W/Si) and water-in-oil (W/O) emulsions. If solidified, high shear processing is required before use, necessitating pre-dispersion in an appropriate silicone or oil phase. Its intrinsic viscosity-enhancing properties also contribute to the overall chemical and physical stability of cosmetic formulations.

Synergies

  • Silicones

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Dimethicone/Polyglycerin-3 Crosspolymer, alongside 61 other dimethicone crosspolymer ingredients, is safe for use in cosmetic applications. While a 40% solution in dimethicone showed slight irritation in a rat skin study, an *in vitro* human epidermis model found the polymer itself to be non-irritating. SkinSAFE further indicates that this ingredient is free from many common allergens and irritants, including fragrances, prevalent preservatives, and dyes.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

DIMETHICONE/POLYGLYCERIN-3 CROSSPOLYMER is a valuable multifunctional ingredient, enhancing sensory feel, hydration, and cosmetic elegance while being safe and well-tolerated across all skin types, with low reported irritancy and comedogenicity.

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